214556887 has 2 divisors, whose sum is σ = 214556888. Its totient is φ = 214556886.

The previous prime is 214556869. The next prime is 214556891. The reversal of 214556887 is 788655412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214556887 - 2¹¹ = 214554839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214556807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107278443 + 107278444.

It is an arithmetic number, because the mean of its divisors is an integer number (107278444).

Almost surely, 2^214556887 is an apocalyptic number.

214556887 is a deficient number, since it is larger than the sum of its proper divisors (1).

214556887 is an equidigital number, since it uses as much as digits as its factorization.

214556887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 537600, while the sum is 46.

The square root of 214556887 is about 14647.7604772880. The cubic root of 214556887 is about 598.6607973770.

The spelling of 214556887 in words is "two hundred fourteen million, five hundred fifty-six thousand, eight hundred eighty-seven".